Le 02/07/2015 04:33, Punnaiah Choudary Kalluri a écrit : > Hi Nicolae and Cyrille, > > SG feature was not tested for Zynq using macb driver but tested it using > the > emacps Driver in Xilinx tree (this driver is deprecated recently) > > We will test and enable this feature in driver for Zynq.
Ok, fine: we will be glad to merge patches that would enable this feature on Zynq. Bye, >> -----Original Message----- >> From: Cyrille Pitchen [mailto:cyrille.pitc...@atmel.com] >> Sent: Wednesday, July 01, 2015 10:34 PM >> To: Nicolae Rosia; Michal Simek; Punnaiah Choudary Kalluri; >> netdev@vger.kernel.org; Nicolas Ferre; linux-arm-ker...@lists.infradead.org >> Subject: Re: macb: zynq: why is SG disabled? >> >> Le 01/07/2015 17:14, Nicolae Rosia a écrit : >>> Hello, >>> >>> After reading the GEM part of Zynq7000 Technical Reference Manual [0], I >> think that SG should be supported. >>> Is there a reason why SG is disabled in macb for Zynq? >>> >>> Best regards, >>> Nicolae Rosia >> >> Hi Nicolae, >> >> when the scatter-gather patch was introduced, the feature was enabled only >> on tested boards to avoid regressions on other boards. >> So SG is enabled on sama5d4x and sama5d2x SoCs. SG is disabled on purpose >> on sama5d3x. >> >> For Zynq, I think the feature is still disabled just because it has never >> been >> tested. >> >> Best regards, >> >> Cyrille > -- Nicolas Ferre -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html